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All results from a given calculation for C5H5NO (2(5H)-Pyridinone)

using model chemistry: HF/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G*
 hartrees
Energy at 0K-321.538344
Energy at 298.15K-321.545062
HF Energy-321.538344
Nuclear repulsion energy274.618524
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3405 3060 5.92      
2 A' 3367 3025 10.28      
3 A' 3316 2979 41.77      
4 A' 3190 2866 10.96      
5 A' 2022 1817 481.92      
6 A' 1913 1719 113.72      
7 A' 1857 1668 25.73      
8 A' 1592 1430 7.74      
9 A' 1553 1395 22.10      
10 A' 1548 1391 63.32      
11 A' 1514 1360 3.09      
12 A' 1352 1215 82.10      
13 A' 1252 1125 30.97      
14 A' 1075 966 0.90      
15 A' 1043 937 19.01      
16 A' 951 855 3.08      
17 A' 844 759 5.59      
18 A' 635 571 1.48      
19 A' 587 528 4.22      
20 A' 509 458 4.99      
21 A" 3214 2888 11.14      
22 A" 1336 1200 0.00      
23 A" 1157 1040 3.90      
24 A" 1114 1001 7.74      
25 A" 960 863 31.34      
26 A" 892 802 35.22      
27 A" 675 607 1.85      
28 A" 409 368 3.39      
29 A" 340 305 2.67      
30 A" 87 78 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 21854.7 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 19636.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HF/6-31G*
ABC
0.18053 0.09508 0.06298

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.246 0.403 0.000
C2 0.000 1.078 0.000
C3 1.249 0.275 0.000
C4 1.219 -1.045 0.000
C5 -0.081 -1.781 0.000
C6 -1.263 -0.854 0.000
O7 0.030 2.266 0.000
H8 2.164 0.837 0.000
H9 2.127 -1.623 0.000
H10 -0.155 -2.437 0.866
H11 -2.234 -1.329 0.000
H12 -0.155 -2.437 -0.866

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.41752.49872.85912.47541.25712.25833.43783.93463.16361.99403.1636
C21.41751.48462.44782.86022.30821.18862.17713.43743.62373.28413.6237
C32.49871.48461.32042.44932.75422.33451.07372.09123.17493.83473.1749
C42.85912.44781.32041.49462.48943.51802.10581.07602.13963.46462.1396
C52.47542.86022.44931.49461.50194.04883.44932.21381.08912.19921.0891
C61.25712.30822.75422.48941.50193.37733.82153.47572.11761.08092.1176
O72.25831.18862.33453.51804.04883.37732.56824.41824.78614.24874.7861
H83.43782.17711.07372.10583.44933.82152.56822.46034.10494.90244.1049
H93.93463.43742.09121.07602.21383.47574.41822.46032.57294.37032.5729
H103.16363.62373.17492.13961.08912.11764.78614.10492.57292.50971.7322
H111.99403.28413.83473.46462.19921.08094.24874.90244.37032.50972.5097
H123.16363.62373.17492.13961.08912.11764.78614.10492.57291.73222.5097

picture of 2(5H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 118.840 N1 C2 O7 119.867
N1 C6 C5 127.366 N1 C6 H11 116.846
C2 N1 C6 119.190 C2 C3 C4 121.428
C2 C3 H8 115.713 C3 C2 O7 121.293
C3 C4 C5 120.819 C3 C4 H9 121.196
C4 C3 H8 122.859 C4 C5 C6 112.357
C4 C5 H10 110.837 C4 C5 H12 110.837
C5 C4 H9 117.985 C5 C6 H11 115.788
C6 C5 H10 108.587 C6 C5 H12 108.587
H10 C5 H12 105.359
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.528      
2 C 0.698      
3 C -0.272      
4 C -0.153      
5 C -0.427      
6 C 0.118      
7 O -0.526      
8 H 0.232      
9 H 0.217      
10 H 0.215      
11 H 0.210      
12 H 0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.470 -6.015 0.000 6.192
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.952 3.238 0.005
y 3.238 -44.326 0.010
z 0.005 0.010 -40.243
Traceless
 xyz
x 3.332 3.238 0.005
y 3.238 -4.728 0.010
z 0.005 0.010 1.396
Polar
3z2-r22.792
x2-y25.374
xy3.238
xz0.005
yz0.010


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.243 0.482 0.000
y 0.482 12.113 0.001
z 0.000 0.001 4.098


<r2> (average value of r2) Å2
<r2> 176.816
(<r2>)1/2 13.297